How to translate the phrase correctly?

Question

Angular

Deprecation Notice
The $http legacy promise methods success and error have been deprecated. Use the standard then method instead. If $httpProvider.useLegacyPromiseExtensions is set to false then these methods will throw $http/legacy error.
Obsolete entry and you can use the success and error methods, or vice versa, what do you need then for the place of obsolete methods?

Answer 1

You are told that the success and error methods are deprecated, use then.